Usage

Bind a key to scratchpadSpawnAction
Pressing it will spawn the terminal, or bring it to the current
workspace if it already exists.
Pressing the key with the terminal on the current workspace will
send it to a hidden workspace called NSP.

If you already have a workspace called NSP, it will use that.
NSP will also appear in xmobar and dzen status bars. You can tweak your
dynamicLog settings to filter it out if you like.

The ManageHook, with a user-specified StackSet.RationalRect,
e.g., for a terminal 4/10 of the screen width from the left, half
the screen height from the top, and 6/10 of the screen width by
3/10 the screen height, use: